The images seem to show the same logic board that appeared in a leak earlier this week. While the main chip isn't conventionally branded with an Apple A-series prefix, the date stamp suggests that the silicon was manufactured on the 43rd week of 2012. Rather older than expected, that suggests that this could be a very early prototype. Or, perhaps, fake. Difficult to tell.

It’s that time of the year again, where Apple’s next iPhone is probably being built in factories…
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Elsewhere, the rear shell looks broadly similar to the current iPhone 5, though it does sport a a vertical pill-shaped window for the LED flash. That suggests a dual LED flash, rather than the single one found on current iPhones. While there's no telling if this is the real deal or otherwise, subtle incremental changes are perhaps more believable than grand sweeping redesigns. Regardless, expect to see much more where this came from over the coming months. [Mac Rumors]